/*
 * 11/19/04  1.0 moved to LGPL.
 * 
 * 29/05/01  Michael Scheerer,  Fixed some C++ to Java porting bugs. 
 *
 * 16/07/01  Michael Scheerer, Catched a bug in method
 *           read_sampledata, which causes an outOfIndexException.
 * 
 * 12/12/99  Initial version. Adapted from javalayer.java
 *			 and Subband*.java. mdm@techie.com
 *
 * 02/28/99  Initial version : javalayer.java by E.B
 *-----------------------------------------------------------------------
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU Library General Public License as published
 *   by the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Library General Public License for more details.
 *
 *   You should have received a copy of the GNU Library General Public
 *   License along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *----------------------------------------------------------------------
 */

package javazoom.jl.decoder;

/**
 * Implements decoding of MPEG Audio Layer II frames.
 */
class LayerIIDecoder extends LayerIDecoder implements FrameDecoder {

	public LayerIIDecoder() {
	}

	protected void createSubbands() {
		int i;
		if (mode == Header.SINGLE_CHANNEL)
			for (i = 0; i < num_subbands; ++i)
				subbands[i] = new SubbandLayer2(i);
		else if (mode == Header.JOINT_STEREO) {
			for (i = 0; i < header.intensity_stereo_bound(); ++i)
				subbands[i] = new SubbandLayer2Stereo(i);
			for (; i < num_subbands; ++i)
				subbands[i] = new SubbandLayer2IntensityStereo(i);
		} else {
			for (i = 0; i < num_subbands; ++i)
				subbands[i] = new SubbandLayer2Stereo(i);
		}

	}

	protected void readScaleFactorSelection() {
		for (int i = 0; i < num_subbands; ++i)
			((SubbandLayer2) subbands[i]).read_scalefactor_selection(stream, crc);
	}

	/**
	 * Class for layer II subbands in single channel mode.
	 */
	static class SubbandLayer2 extends Subband {
		// this table contains 3 requantized samples for each legal codeword
		// when grouped in 5 bits, i.e. 3 quantizationsteps per sample
		public static final float grouping_5bits[] = new float[] { -2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, 0.0f,
				-2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, 0.0f, -2.0f / 3.0f,
				0.0f, 0.0f, -2.0f / 3.0f, 2.0f / 3.0f, 0.0f, -2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f,
				0.0f, 2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f,
				0.0f, 0.0f, -2.0f / 3.0f, 0.0f, 2.0f / 3.0f, -2.0f / 3.0f, 0.0f, -2.0f / 3.0f, 0.0f, 0.0f, 0.0f, 0.0f,
				0.0f, 2.0f / 3.0f, 0.0f, 0.0f, -2.0f / 3.0f, 2.0f / 3.0f, 0.0f, 0.0f, 2.0f / 3.0f, 0.0f, 2.0f / 3.0f,
				2.0f / 3.0f, 0.0f, -2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, 0.0f, -2.0f / 3.0f, 2.0f / 3.0f,
				2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, 0.0f, 2.0f / 3.0f, 0.0f, 0.0f, 2.0f / 3.0f,
				2.0f / 3.0f, 0.0f, 2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f, 0.0f, 2.0f / 3.0f, 2.0f / 3.0f,
				2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f };

		// this table contains 3 requantized samples for each legal codeword
		// when grouped in 7 bits, i.e. 5 quantizationsteps per sample
		public static final float grouping_7bits[] = new float[] { -0.8f, -0.8f, -0.8f, -0.4f, -0.8f, -0.8f, 0.0f,
				-0.8f, -0.8f, 0.4f, -0.8f, -0.8f, 0.8f, -0.8f, -0.8f, -0.8f, -0.4f, -0.8f, -0.4f, -0.4f, -0.8f, 0.0f,
				-0.4f, -0.8f, 0.4f, -0.4f, -0.8f, 0.8f, -0.4f, -0.8f, -0.8f, 0.0f, -0.8f, -0.4f, 0.0f, -0.8f, 0.0f,
				0.0f, -0.8f, 0.4f, 0.0f, -0.8f, 0.8f, 0.0f, -0.8f, -0.8f, 0.4f, -0.8f, -0.4f, 0.4f, -0.8f, 0.0f, 0.4f,
				-0.8f, 0.4f, 0.4f, -0.8f, 0.8f, 0.4f, -0.8f, -0.8f, 0.8f, -0.8f, -0.4f, 0.8f, -0.8f, 0.0f, 0.8f, -0.8f,
				0.4f, 0.8f, -0.8f, 0.8f, 0.8f, -0.8f, -0.8f, -0.8f, -0.4f, -0.4f, -0.8f, -0.4f, 0.0f, -0.8f, -0.4f,
				0.4f, -0.8f, -0.4f, 0.8f, -0.8f, -0.4f, -0.8f, -0.4f, -0.4f, -0.4f, -0.4f, -0.4f, 0.0f, -0.4f, -0.4f,
				0.4f, -0.4f, -0.4f, 0.8f, -0.4f, -0.4f, -0.8f, 0.0f, -0.4f, -0.4f, 0.0f, -0.4f, 0.0f, 0.0f, -0.4f, 0.4f,
				0.0f, -0.4f, 0.8f, 0.0f, -0.4f, -0.8f, 0.4f, -0.4f, -0.4f, 0.4f, -0.4f, 0.0f, 0.4f, -0.4f, 0.4f, 0.4f,
				-0.4f, 0.8f, 0.4f, -0.4f, -0.8f, 0.8f, -0.4f, -0.4f, 0.8f, -0.4f, 0.0f, 0.8f, -0.4f, 0.4f, 0.8f, -0.4f,
				0.8f, 0.8f, -0.4f, -0.8f, -0.8f, 0.0f, -0.4f, -0.8f, 0.0f, 0.0f, -0.8f, 0.0f, 0.4f, -0.8f, 0.0f, 0.8f,
				-0.8f, 0.0f, -0.8f, -0.4f, 0.0f, -0.4f, -0.4f, 0.0f, 0.0f, -0.4f, 0.0f, 0.4f, -0.4f, 0.0f, 0.8f, -0.4f,
				0.0f, -0.8f, 0.0f, 0.0f, -0.4f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.0f, 0.0f, 0.8f, 0.0f, 0.0f, -0.8f,
				0.4f, 0.0f, -0.4f, 0.4f, 0.0f, 0.0f, 0.4f, 0.0f, 0.4f, 0.4f, 0.0f, 0.8f, 0.4f, 0.0f, -0.8f, 0.8f, 0.0f,
				-0.4f, 0.8f, 0.0f, 0.0f, 0.8f, 0.0f, 0.4f, 0.8f, 0.0f, 0.8f, 0.8f, 0.0f, -0.8f, -0.8f, 0.4f, -0.4f,
				-0.8f, 0.4f, 0.0f, -0.8f, 0.4f, 0.4f, -0.8f, 0.4f, 0.8f, -0.8f, 0.4f, -0.8f, -0.4f, 0.4f, -0.4f, -0.4f,
				0.4f, 0.0f, -0.4f, 0.4f, 0.4f, -0.4f, 0.4f, 0.8f, -0.4f, 0.4f, -0.8f, 0.0f, 0.4f, -0.4f, 0.0f, 0.4f,
				0.0f, 0.0f, 0.4f, 0.4f, 0.0f, 0.4f, 0.8f, 0.0f, 0.4f, -0.8f, 0.4f, 0.4f, -0.4f, 0.4f, 0.4f, 0.0f, 0.4f,
				0.4f, 0.4f, 0.4f, 0.4f, 0.8f, 0.4f, 0.4f, -0.8f, 0.8f, 0.4f, -0.4f, 0.8f, 0.4f, 0.0f, 0.8f, 0.4f, 0.4f,
				0.8f, 0.4f, 0.8f, 0.8f, 0.4f, -0.8f, -0.8f, 0.8f, -0.4f, -0.8f, 0.8f, 0.0f, -0.8f, 0.8f, 0.4f, -0.8f,
				0.8f, 0.8f, -0.8f, 0.8f, -0.8f, -0.4f, 0.8f, -0.4f, -0.4f, 0.8f, 0.0f, -0.4f, 0.8f, 0.4f, -0.4f, 0.8f,
				0.8f, -0.4f, 0.8f, -0.8f, 0.0f, 0.8f, -0.4f, 0.0f, 0.8f, 0.0f, 0.0f, 0.8f, 0.4f, 0.0f, 0.8f, 0.8f, 0.0f,
				0.8f, -0.8f, 0.4f, 0.8f, -0.4f, 0.4f, 0.8f, 0.0f, 0.4f, 0.8f, 0.4f, 0.4f, 0.8f, 0.8f, 0.4f, 0.8f, -0.8f,
				0.8f, 0.8f, -0.4f, 0.8f, 0.8f, 0.0f, 0.8f, 0.8f, 0.4f, 0.8f, 0.8f, 0.8f, 0.8f, 0.8f };

		// this table contains 3 requantized samples for each legal codeword
		// when grouped in 10 bits, i.e. 9 quantizationsteps per sample
		public static final float grouping_10bits[] = { -8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
				-8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
				-8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
				-8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f,
				-8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f,
				-4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 0.0f, -6.0f / 9.0f,
				-8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f,
				6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
				-4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
				-8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 0.0f, -4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f,
				-4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
				-8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
				-6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
				4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -8.0f / 9.0f,
				-4.0f / 9.0f, 0.0f, -8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 0.0f, 0.0f, -8.0f / 9.0f,
				2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -8.0f / 9.0f, 6.0f / 9.0f, 0.0f, -8.0f / 9.0f,
				8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 0.0f,
				2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -8.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
				4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
				-8.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
				-2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 0.0f, 6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
				8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
				-8.0f / 9.0f, 0.0f, 8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
				-8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
				-4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -8.0f / 9.0f,
				-6.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
				6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f,
				-6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
				-6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 0.0f, -6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
				-6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
				-6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
				-6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
				-4.0f / 9.0f, -6.0f / 9.0f, 0.0f, -4.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
				4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f,
				-4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
				-6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 0.0f,
				-2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
				-8.0f / 9.0f, 0.0f, -6.0f / 9.0f, -6.0f / 9.0f, 0.0f, -6.0f / 9.0f, -4.0f / 9.0f, 0.0f, -6.0f / 9.0f,
				-2.0f / 9.0f, 0.0f, -6.0f / 9.0f, 0.0f, 0.0f, -6.0f / 9.0f, 2.0f / 9.0f, 0.0f, -6.0f / 9.0f,
				4.0f / 9.0f, 0.0f, -6.0f / 9.0f, 6.0f / 9.0f, 0.0f, -6.0f / 9.0f, 8.0f / 9.0f, 0.0f, -6.0f / 9.0f,
				-8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
				2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 0.0f, 2.0f / 9.0f, -6.0f / 9.0f,
				2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f,
				2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
				-6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
				-2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 0.0f, 4.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
				-6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
				8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
				6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f,
				-6.0f / 9.0f, 0.0f, 6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f,
				6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				-6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				-4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				-6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f,
				-8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
				-4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 0.0f, -8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
				-4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
				-6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
				-6.0f / 9.0f, -4.0f / 9.0f, 0.0f, -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
				-6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
				-4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 0.0f,
				-4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
				-4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
				-8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
				-2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 0.0f, -2.0f / 9.0f, -4.0f / 9.0f,
				2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f,
				-2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				-6.0f / 9.0f, 0.0f, -4.0f / 9.0f, -4.0f / 9.0f, 0.0f, -4.0f / 9.0f, -2.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				0.0f, 0.0f, -4.0f / 9.0f, 2.0f / 9.0f, 0.0f, -4.0f / 9.0f, 4.0f / 9.0f, 0.0f, -4.0f / 9.0f, 6.0f / 9.0f,
				0.0f, -4.0f / 9.0f, 8.0f / 9.0f, 0.0f, -4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
				-6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
				2.0f / 9.0f, -4.0f / 9.0f, 0.0f, 2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
				2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f,
				-4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 0.0f,
				4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f,
				-4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
				-8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
				6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f, 6.0f / 9.0f, -4.0f / 9.0f,
				2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f,
				6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
				-4.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f,
				-2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 0.0f, 8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
				-4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f,
				8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
				-8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
				-2.0f / 9.0f, 0.0f, -8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f,
				-8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
				-4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 0.0f, -6.0f / 9.0f,
				-2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
				-4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
				-2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 0.0f, -4.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
				-4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
				-2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
				-6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
				-2.0f / 9.0f, -2.0f / 9.0f, 0.0f, -2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
				4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
				-2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -6.0f / 9.0f, 0.0f, -2.0f / 9.0f,
				-4.0f / 9.0f, 0.0f, -2.0f / 9.0f, -2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 0.0f, 0.0f, -2.0f / 9.0f,
				2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 4.0f / 9.0f, 0.0f, -2.0f / 9.0f, 6.0f / 9.0f, 0.0f, -2.0f / 9.0f,
				8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
				-2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 0.0f,
				2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
				-2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 0.0f, 4.0f / 9.0f, -2.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f,
				4.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
				-2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
				-2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 0.0f, 6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f,
				-2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
				8.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
				8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
				-2.0f / 9.0f, 0.0f, 8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f,
				8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 0.0f, -6.0f / 9.0f, -8.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				-8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -8.0f / 9.0f, 0.0f, 0.0f, -8.0f / 9.0f, 0.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -8.0f / 9.0f, 0.0f, 6.0f / 9.0f, -8.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				-8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -6.0f / 9.0f, -6.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				-6.0f / 9.0f, 0.0f, -2.0f / 9.0f, -6.0f / 9.0f, 0.0f, 0.0f, -6.0f / 9.0f, 0.0f, 2.0f / 9.0f,
				-6.0f / 9.0f, 0.0f, 4.0f / 9.0f, -6.0f / 9.0f, 0.0f, 6.0f / 9.0f, -6.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				-6.0f / 9.0f, 0.0f, -8.0f / 9.0f, -4.0f / 9.0f, 0.0f, -6.0f / 9.0f, -4.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				-4.0f / 9.0f, 0.0f, -2.0f / 9.0f, -4.0f / 9.0f, 0.0f, 0.0f, -4.0f / 9.0f, 0.0f, 2.0f / 9.0f,
				-4.0f / 9.0f, 0.0f, 4.0f / 9.0f, -4.0f / 9.0f, 0.0f, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				-4.0f / 9.0f, 0.0f, -8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -6.0f / 9.0f, -2.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				-2.0f / 9.0f, 0.0f, -2.0f / 9.0f, -2.0f / 9.0f, 0.0f, 0.0f, -2.0f / 9.0f, 0.0f, 2.0f / 9.0f,
				-2.0f / 9.0f, 0.0f, 4.0f / 9.0f, -2.0f / 9.0f, 0.0f, 6.0f / 9.0f, -2.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				-2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 0.0f, 0.0f, -6.0f / 9.0f, 0.0f, 0.0f, -4.0f / 9.0f, 0.0f, 0.0f,
				-2.0f / 9.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 2.0f / 9.0f, 0.0f, 0.0f, 4.0f / 9.0f, 0.0f, 0.0f,
				6.0f / 9.0f, 0.0f, 0.0f, 8.0f / 9.0f, 0.0f, 0.0f, -8.0f / 9.0f, 2.0f / 9.0f, 0.0f, -6.0f / 9.0f,
				2.0f / 9.0f, 0.0f, -4.0f / 9.0f, 2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 0.0f, 2.0f / 9.0f,
				0.0f, 2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 2.0f / 9.0f, 0.0f, 6.0f / 9.0f, 2.0f / 9.0f, 0.0f,
				8.0f / 9.0f, 2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -6.0f / 9.0f, 4.0f / 9.0f, 0.0f,
				-4.0f / 9.0f, 4.0f / 9.0f, 0.0f, -2.0f / 9.0f, 4.0f / 9.0f, 0.0f, 0.0f, 4.0f / 9.0f, 0.0f, 2.0f / 9.0f,
				4.0f / 9.0f, 0.0f, 4.0f / 9.0f, 4.0f / 9.0f, 0.0f, 6.0f / 9.0f, 4.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				4.0f / 9.0f, 0.0f, -8.0f / 9.0f, 6.0f / 9.0f, 0.0f, -6.0f / 9.0f, 6.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				6.0f / 9.0f, 0.0f, -2.0f / 9.0f, 6.0f / 9.0f, 0.0f, 0.0f, 6.0f / 9.0f, 0.0f, 2.0f / 9.0f, 6.0f / 9.0f,
				0.0f, 4.0f / 9.0f, 6.0f / 9.0f, 0.0f, 6.0f / 9.0f, 6.0f / 9.0f, 0.0f, 8.0f / 9.0f, 6.0f / 9.0f, 0.0f,
				-8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -6.0f / 9.0f, 8.0f / 9.0f, 0.0f, -4.0f / 9.0f, 8.0f / 9.0f, 0.0f,
				-2.0f / 9.0f, 8.0f / 9.0f, 0.0f, 0.0f, 8.0f / 9.0f, 0.0f, 2.0f / 9.0f, 8.0f / 9.0f, 0.0f, 4.0f / 9.0f,
				8.0f / 9.0f, 0.0f, 6.0f / 9.0f, 8.0f / 9.0f, 0.0f, 8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -8.0f / 9.0f,
				-8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
				2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
				2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
				-6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
				-6.0f / 9.0f, 2.0f / 9.0f, 0.0f, -6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
				4.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
				-6.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
				2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 0.0f,
				-4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
				2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
				-2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 2.0f / 9.0f,
				2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f,
				-2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 0.0f, 2.0f / 9.0f,
				-6.0f / 9.0f, 0.0f, 2.0f / 9.0f, -4.0f / 9.0f, 0.0f, 2.0f / 9.0f, -2.0f / 9.0f, 0.0f, 2.0f / 9.0f, 0.0f,
				0.0f, 2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 2.0f / 9.0f, 4.0f / 9.0f, 0.0f, 2.0f / 9.0f, 6.0f / 9.0f, 0.0f,
				2.0f / 9.0f, 8.0f / 9.0f, 0.0f, 2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f,
				2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
				2.0f / 9.0f, 0.0f, 2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
				2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 2.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, 2.0f / 9.0f, 0.0f, 6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
				4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f,
				-4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f,
				8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
				4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
				4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
				-6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
				4.0f / 9.0f, 0.0f, -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f,
				-6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
				-4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
				6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f,
				-2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
				4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 0.0f, -2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
				-2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
				4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -6.0f / 9.0f,
				0.0f, 4.0f / 9.0f, -4.0f / 9.0f, 0.0f, 4.0f / 9.0f, -2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 0.0f, 0.0f,
				4.0f / 9.0f, 2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 4.0f / 9.0f, 0.0f, 4.0f / 9.0f, 6.0f / 9.0f, 0.0f,
				4.0f / 9.0f, 8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
				4.0f / 9.0f, 0.0f, 2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 0.0f, 4.0f / 9.0f, 4.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, 4.0f / 9.0f, 0.0f, 6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f,
				-4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f,
				8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
				6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 0.0f, -8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
				6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
				6.0f / 9.0f, 0.0f, -6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f,
				-4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f,
				6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
				-2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 0.0f, -2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
				-2.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 0.0f, 6.0f / 9.0f, -6.0f / 9.0f,
				0.0f, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f, 6.0f / 9.0f, -2.0f / 9.0f, 0.0f, 6.0f / 9.0f, 0.0f, 0.0f,
				6.0f / 9.0f, 2.0f / 9.0f, 0.0f, 6.0f / 9.0f, 4.0f / 9.0f, 0.0f, 6.0f / 9.0f, 6.0f / 9.0f, 0.0f,
				6.0f / 9.0f, 8.0f / 9.0f, 0.0f, 6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
				2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
				6.0f / 9.0f, 0.0f, 2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 0.0f, 4.0f / 9.0f, 6.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, 6.0f / 9.0f, 0.0f, 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
				4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				-4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
				8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
				8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
				-2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
				8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				-6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
				8.0f / 9.0f, 0.0f, -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f,
				-6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
				-4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 0.0f, -4.0f / 9.0f,
				8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
				6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f,
				-2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
				8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 0.0f, -2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f,
				-2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
				8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 0.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				0.0f, 8.0f / 9.0f, -4.0f / 9.0f, 0.0f, 8.0f / 9.0f, -2.0f / 9.0f, 0.0f, 8.0f / 9.0f, 0.0f, 0.0f,
				8.0f / 9.0f, 2.0f / 9.0f, 0.0f, 8.0f / 9.0f, 4.0f / 9.0f, 0.0f, 8.0f / 9.0f, 6.0f / 9.0f, 0.0f,
				8.0f / 9.0f, 8.0f / 9.0f, 0.0f, 8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
				2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
				8.0f / 9.0f, 0.0f, 2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f,
				2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
				-8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f,
				4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 0.0f, 4.0f / 9.0f, 8.0f / 9.0f,
				2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
				8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
				-6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f,
				6.0f / 9.0f, 8.0f / 9.0f, 0.0f, 6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
				4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
				-4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 0.0f, 8.0f / 9.0f,
				8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
				8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f };

		// data taken from ISO/IEC DIS 11172, Annexes 3-B.2[abcd] and 3-B.4:

		// subbands 0-2 in tables 3-B.2a and 2b: (index is allocation)
		public static final int table_ab1_codelength[] =
				// bits per codeword
				{ 0, 5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };

		public static final float table_ab1_groupingtables[][] =
				// pointer to sample grouping table, or NULL-pointer if ungrouped
				{ null, grouping_5bits, null, null, null, null, null, null, null, null, null, null, null, null, null,
						null };

		public static final float table_ab1_factor[] =
				// factor for requantization: (real)sample * factor - 1.0 gives requantized
				// sample
				{ 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f,
						1.0f / 256.0f, 1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f, 1.0f / 4096.0f, 1.0f / 8192.0f,
						1.0f / 16384.0f, 1.0f / 32768.0f };

		public static final float table_ab1_c[] =
				// factor c for requantization from table 3-B.4
				{ 0.0f, 1.33333333333f, 1.14285714286f, 1.06666666666f, 1.03225806452f, 1.01587301587f, 1.00787401575f,
						1.00392156863f, 1.00195694716f, 1.00097751711f, 1.00048851979f, 1.00024420024f, 1.00012208522f,
						1.00006103888f, 1.00003051851f, 1.00001525902f };

		public static final float table_ab1_d[] =
				// addend d for requantization from table 3-B.4
				{ 0.0f, 0.50000000000f, 0.25000000000f, 0.12500000000f, 0.06250000000f, 0.03125000000f, 0.01562500000f,
						0.00781250000f, 0.00390625000f, 0.00195312500f, 0.00097656250f, 0.00048828125f, 0.00024414063f,
						0.00012207031f, 0.00006103516f, 0.00003051758f };

		// subbands 3-... tables 3-B.2a and 2b:
		public static final float[] table_ab234_groupingtables[] = { null, grouping_5bits, grouping_7bits, null,
				grouping_10bits, null, null, null, null, null, null, null, null, null, null, null };

		// subbands 3-10 in tables 3-B.2a and 2b:
		public static final int table_ab2_codelength[] = { 0, 5, 7, 3, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16 };
		public static final float table_ab2_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 4.0f, 1.0f / 8.0f,
				1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f, 1.0f / 256.0f, 1.0f / 512.0f,
				1.0f / 1024.0f, 1.0f / 2048.0f, 1.0f / 4096.0f, 1.0f / 32768.0f };
		public static final float table_ab2_c[] = { 0.0f, 1.33333333333f, 1.60000000000f, 1.14285714286f,
				1.77777777777f, 1.06666666666f, 1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f,
				1.00195694716f, 1.00097751711f, 1.00048851979f, 1.00024420024f, 1.00012208522f, 1.00001525902f };
		public static final float table_ab2_d[] = { 0.0f, 0.50000000000f, 0.50000000000f, 0.25000000000f,
				0.50000000000f, 0.12500000000f, 0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f,
				0.00390625000f, 0.00195312500f, 0.00097656250f, 0.00048828125f, 0.00024414063f, 0.00003051758f };

		// subbands 11-22 in tables 3-B.2a and 2b:
		public static final int table_ab3_codelength[] = { 0, 5, 7, 3, 10, 4, 5, 16 };
		public static final float table_ab3_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 4.0f, 1.0f / 8.0f,
				1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32768.0f };
		public static final float table_ab3_c[] = { 0.0f, 1.33333333333f, 1.60000000000f, 1.14285714286f,
				1.77777777777f, 1.06666666666f, 1.03225806452f, 1.00001525902f };
		public static final float table_ab3_d[] = { 0.0f, 0.50000000000f, 0.50000000000f, 0.25000000000f,
				0.50000000000f, 0.12500000000f, 0.06250000000f, 0.00003051758f };

		// subbands 23-... in tables 3-B.2a and 2b:
		public static final int table_ab4_codelength[] = { 0, 5, 7, 16 };
		public static final float table_ab4_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 32768.0f };
		public static final float table_ab4_c[] = { 0.0f, 1.33333333333f, 1.60000000000f, 1.00001525902f };
		public static final float table_ab4_d[] = { 0.0f, 0.50000000000f, 0.50000000000f, 0.00003051758f };

		// subbands in tables 3-B.2c and 2d:
		public static final int table_cd_codelength[] = { 0, 5, 7, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
		public static final float table_cd_groupingtables[][] = { null, grouping_5bits, grouping_7bits, grouping_10bits,
				null, null, null, null, null, null, null, null, null, null, null, null };
		public static final float table_cd_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 8.0f, 1.0f / 8.0f,
				1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f, 1.0f / 256.0f, 1.0f / 512.0f, 1.0f / 1024.0f,
				1.0f / 2048.0f, 1.0f / 4096.0f, 1.0f / 8192.0f, 1.0f / 16384.0f };
		public static final float table_cd_c[] = { 0.0f, 1.33333333333f, 1.60000000000f, 1.77777777777f, 1.06666666666f,
				1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f, 1.00195694716f, 1.00097751711f,
				1.00048851979f, 1.00024420024f, 1.00012208522f, 1.00006103888f, 1.00003051851f };
		public static final float table_cd_d[] = { 0.0f, 0.50000000000f, 0.50000000000f, 0.50000000000f, 0.12500000000f,
				0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f, 0.00390625000f, 0.00195312500f,
				0.00097656250f, 0.00048828125f, 0.00024414063f, 0.00012207031f, 0.00006103516f };

		protected int subbandnumber;
		protected int allocation;
		protected int scfsi;
		protected float scalefactor1, scalefactor2, scalefactor3;
		protected int[] codelength = { 0 };
		protected float groupingtable[][] = new float[2][];
		// protected float[][] groupingtable = {{0},{0}} ;
		protected float[] factor = { 0.0f };
		protected int groupnumber;
		protected int samplenumber;
		protected float[] samples = new float[3];
		protected float[] c = { 0 };
		protected float[] d = { 0 };

		/**
		 * Constructor
		 */
		public SubbandLayer2(int subbandnumber) {
			this.subbandnumber = subbandnumber;
			groupnumber = samplenumber = 0;
		}

		/**
		 *
		 */
		protected int get_allocationlength(Header header) {
			if (header.version() == Header.MPEG1) {
				int channel_bitrate = header.bitrate_index();

				// calculate bitrate per channel:
				if (header.mode() != Header.SINGLE_CHANNEL)
					if (channel_bitrate == 4)
						channel_bitrate = 1;
					else
						channel_bitrate -= 4;

				if (channel_bitrate == 1 || channel_bitrate == 2)
					// table 3-B.2c or 3-B.2d
					if (subbandnumber <= 1)
						return 4;
					else
						return 3;
				else
				// tables 3-B.2a or 3-B.2b
				if (subbandnumber <= 10)
					return 4;
				else if (subbandnumber <= 22)
					return 3;
				else
					return 2;
			} else { // MPEG-2 LSF -- Jeff

				// table B.1 of ISO/IEC 13818-3
				if (subbandnumber <= 3)
					return 4;
				else if (subbandnumber <= 10)
					return 3;
				else
					return 2;
			}
		}

		/**
		 *
		 */
		protected void prepare_sample_reading(Header header, int allocation,
				// float[][] groupingtable,
				int channel, float[] factor, int[] codelength, float[] c, float[] d) {
			int channel_bitrate = header.bitrate_index();
			// calculate bitrate per channel:
			if (header.mode() != Header.SINGLE_CHANNEL)
				if (channel_bitrate == 4)
					channel_bitrate = 1;
				else
					channel_bitrate -= 4;

			if (channel_bitrate == 1 || channel_bitrate == 2) {
				// table 3-B.2c or 3-B.2d
				groupingtable[channel] = table_cd_groupingtables[allocation];
				factor[0] = table_cd_factor[allocation];
				codelength[0] = table_cd_codelength[allocation];
				c[0] = table_cd_c[allocation];
				d[0] = table_cd_d[allocation];
			} else {
				// tables 3-B.2a or 3-B.2b
				if (subbandnumber <= 2) {
					groupingtable[channel] = table_ab1_groupingtables[allocation];
					factor[0] = table_ab1_factor[allocation];
					codelength[0] = table_ab1_codelength[allocation];
					c[0] = table_ab1_c[allocation];
					d[0] = table_ab1_d[allocation];
				} else {
					groupingtable[channel] = table_ab234_groupingtables[allocation];
					if (subbandnumber <= 10) {
						factor[0] = table_ab2_factor[allocation];
						codelength[0] = table_ab2_codelength[allocation];
						c[0] = table_ab2_c[allocation];
						d[0] = table_ab2_d[allocation];
					} else if (subbandnumber <= 22) {
						factor[0] = table_ab3_factor[allocation];
						codelength[0] = table_ab3_codelength[allocation];
						c[0] = table_ab3_c[allocation];
						d[0] = table_ab3_d[allocation];
					} else {
						factor[0] = table_ab4_factor[allocation];
						codelength[0] = table_ab4_codelength[allocation];
						c[0] = table_ab4_c[allocation];
						d[0] = table_ab4_d[allocation];
					}
				}
			}
		}

		/**
		 *
		 */
		public void read_allocation(Bitstream stream, Header header, Crc16 crc) {
			int length = get_allocationlength(header);
			allocation = stream.get_bits(length);
			if (crc != null)
				crc.add_bits(allocation, length);
		}

		/**
		 *
		 */
		public void read_scalefactor_selection(Bitstream stream, Crc16 crc) {
			if (allocation != 0) {
				scfsi = stream.get_bits(2);
				if (crc != null)
					crc.add_bits(scfsi, 2);
			}
		}

		/**
		 *
		 */
		public void read_scalefactor(Bitstream stream, Header header) {
			if (allocation != 0) {
				switch (scfsi) {
				case 0:
					scalefactor1 = scalefactors[stream.get_bits(6)];
					scalefactor2 = scalefactors[stream.get_bits(6)];
					scalefactor3 = scalefactors[stream.get_bits(6)];
					break;
				case 1:
					scalefactor1 = scalefactor2 = scalefactors[stream.get_bits(6)];
					scalefactor3 = scalefactors[stream.get_bits(6)];
					break;
				case 2:
					scalefactor1 = scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
					break;
				case 3:
					scalefactor1 = scalefactors[stream.get_bits(6)];
					scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
					break;
				}
				prepare_sample_reading(header, allocation, 0, factor, codelength, c, d);
			}
		}

		/**
		 *
		 */
		public boolean read_sampledata(Bitstream stream) {
			if (allocation != 0)
				if (groupingtable[0] != null) {
					int samplecode = stream.get_bits(codelength[0]);
					// create requantized samples:
					samplecode += samplecode << 1;
					float[] target = samples;
					float[] source = groupingtable[0];
					/*
					 * int tmp = 0; int temp = 0; target[tmp++] = source[samplecode + temp]; temp++;
					 * target[tmp++] = source[samplecode + temp]; temp++; target[tmp] =
					 * source[samplecode + temp];
					 */
					// Bugfix:
					int tmp = 0;
					int temp = samplecode;

					if (temp > source.length - 3)
						temp = source.length - 3;

					target[tmp] = source[temp];
					temp++;
					tmp++;
					target[tmp] = source[temp];
					temp++;
					tmp++;
					target[tmp] = source[temp];

					// memcpy (samples, groupingtable + samplecode, 3 * sizeof (real));
				} else {
					samples[0] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
					samples[1] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
					samples[2] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
				}

			samplenumber = 0;
			if (++groupnumber == 12)
				return true;
			else
				return false;
		}

		/**
		 *
		 */
		public boolean put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2) {
			if ((allocation != 0) && (channels != OutputChannels.RIGHT_CHANNEL)) {
				float sample = samples[samplenumber];

				if (groupingtable[0] == null)
					sample = (sample + d[0]) * c[0];
				if (groupnumber <= 4)
					sample *= scalefactor1;
				else if (groupnumber <= 8)
					sample *= scalefactor2;
				else
					sample *= scalefactor3;
				filter1.input_sample(sample, subbandnumber);
			}

			if (++samplenumber == 3)
				return true;
			else
				return false;
		}
	};

	/**
	 * Class for layer II subbands in joint stereo mode.
	 */
	static class SubbandLayer2IntensityStereo extends SubbandLayer2 {
		protected int channel2_scfsi;
		protected float channel2_scalefactor1, channel2_scalefactor2, channel2_scalefactor3;

		/**
		 * Constructor
		 */
		public SubbandLayer2IntensityStereo(int subbandnumber) {
			super(subbandnumber);
		}

		/**
		 *
		 */
		public void read_allocation(Bitstream stream, Header header, Crc16 crc) {
			super.read_allocation(stream, header, crc);
		}

		/**
		 *
		 */
		public void read_scalefactor_selection(Bitstream stream, Crc16 crc) {
			if (allocation != 0) {
				scfsi = stream.get_bits(2);
				channel2_scfsi = stream.get_bits(2);
				if (crc != null) {
					crc.add_bits(scfsi, 2);
					crc.add_bits(channel2_scfsi, 2);
				}
			}
		}

		/**
		 *
		 */
		public void read_scalefactor(Bitstream stream, Header header) {
			if (allocation != 0) {
				super.read_scalefactor(stream, header);
				switch (channel2_scfsi) {
				case 0:
					channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
					break;

				case 1:
					channel2_scalefactor1 = channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
					break;

				case 2:
					channel2_scalefactor1 = channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream
							.get_bits(6)];
					break;

				case 3:
					channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
					break;
				}
			}

		}

		/**
		 *
		 */
		public boolean read_sampledata(Bitstream stream) {
			return super.read_sampledata(stream);
		}

		/**
		 *
		 */
		public boolean put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2) {
			if (allocation != 0) {
				float sample = samples[samplenumber];

				if (groupingtable[0] == null)
					sample = (sample + d[0]) * c[0];
				if (channels == OutputChannels.BOTH_CHANNELS) {
					float sample2 = sample;
					if (groupnumber <= 4) {
						sample *= scalefactor1;
						sample2 *= channel2_scalefactor1;
					} else if (groupnumber <= 8) {
						sample *= scalefactor2;
						sample2 *= channel2_scalefactor2;
					} else {
						sample *= scalefactor3;
						sample2 *= channel2_scalefactor3;
					}
					filter1.input_sample(sample, subbandnumber);
					filter2.input_sample(sample2, subbandnumber);
				} else if (channels == OutputChannels.LEFT_CHANNEL) {
					if (groupnumber <= 4)
						sample *= scalefactor1;
					else if (groupnumber <= 8)
						sample *= scalefactor2;
					else
						sample *= scalefactor3;
					filter1.input_sample(sample, subbandnumber);
				} else {
					if (groupnumber <= 4)
						sample *= channel2_scalefactor1;
					else if (groupnumber <= 8)
						sample *= channel2_scalefactor2;
					else
						sample *= channel2_scalefactor3;
					filter1.input_sample(sample, subbandnumber);
				}
			}

			if (++samplenumber == 3)
				return true;
			else
				return false;
		}
	};

	/**
	 * Class for layer II subbands in stereo mode.
	 */
	static class SubbandLayer2Stereo extends SubbandLayer2 {
		protected int channel2_allocation;
		protected int channel2_scfsi;
		protected float channel2_scalefactor1, channel2_scalefactor2, channel2_scalefactor3;
		// protected boolean channel2_grouping; ???? Never used!
		protected int[] channel2_codelength = { 0 };
		// protected float[][] channel2_groupingtable = {{0},{0}};
		protected float[] channel2_factor = { 0 };
		protected float[] channel2_samples;
		protected float[] channel2_c = { 0 };
		protected float[] channel2_d = { 0 };

		/**
		 * Constructor
		 */
		public SubbandLayer2Stereo(int subbandnumber) {
			super(subbandnumber);
			channel2_samples = new float[3];
		}

		/**
		 *
		 */
		public void read_allocation(Bitstream stream, Header header, Crc16 crc) {
			int length = get_allocationlength(header);
			allocation = stream.get_bits(length);
			channel2_allocation = stream.get_bits(length);
			if (crc != null) {
				crc.add_bits(allocation, length);
				crc.add_bits(channel2_allocation, length);
			}
		}

		/**
		 *
		 */
		public void read_scalefactor_selection(Bitstream stream, Crc16 crc) {
			if (allocation != 0) {
				scfsi = stream.get_bits(2);
				if (crc != null)
					crc.add_bits(scfsi, 2);
			}
			if (channel2_allocation != 0) {
				channel2_scfsi = stream.get_bits(2);
				if (crc != null)
					crc.add_bits(channel2_scfsi, 2);
			}
		}

		/**
		 *
		 */
		public void read_scalefactor(Bitstream stream, Header header) {
			super.read_scalefactor(stream, header);
			if (channel2_allocation != 0) {
				switch (channel2_scfsi) {
				case 0:
					channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
					break;

				case 1:
					channel2_scalefactor1 = channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
					break;

				case 2:
					channel2_scalefactor1 = channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream
							.get_bits(6)];
					break;

				case 3:
					channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
					channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
					break;
				}
				prepare_sample_reading(header, channel2_allocation, 1, channel2_factor, channel2_codelength, channel2_c,
						channel2_d);
			}
		}

		/**
		 *
		 */
		public boolean read_sampledata(Bitstream stream) {
			boolean returnvalue = super.read_sampledata(stream);

			if (channel2_allocation != 0)
				if (groupingtable[1] != null) {
					int samplecode = stream.get_bits(channel2_codelength[0]);
					// create requantized samples:
					samplecode += samplecode << 1;
					/*
					 * float[] target = channel2_samples; float[] source =
					 * channel2_groupingtable[0]; int tmp = 0; int temp = 0; target[tmp++] =
					 * source[samplecode + temp]; temp++; target[tmp++] = source[samplecode + temp];
					 * temp++; target[tmp] = source[samplecode + temp]; // memcpy (channel2_samples,
					 * channel2_groupingtable + samplecode, 3 * sizeof (real));
					 */
					float[] target = channel2_samples;
					float[] source = groupingtable[1];
					int tmp = 0;
					int temp = samplecode;
					target[tmp] = source[temp];
					temp++;
					tmp++;
					target[tmp] = source[temp];
					temp++;
					tmp++;
					target[tmp] = source[temp];

				} else {
					channel2_samples[0] = (float) ((stream.get_bits(channel2_codelength[0])) * channel2_factor[0]
							- 1.0);
					channel2_samples[1] = (float) ((stream.get_bits(channel2_codelength[0])) * channel2_factor[0]
							- 1.0);
					channel2_samples[2] = (float) ((stream.get_bits(channel2_codelength[0])) * channel2_factor[0]
							- 1.0);
				}
			return returnvalue;
		}

		/**
		 *
		 */
		public boolean put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2) {
			boolean returnvalue = super.put_next_sample(channels, filter1, filter2);
			if ((channel2_allocation != 0) && (channels != OutputChannels.LEFT_CHANNEL)) {
				float sample = channel2_samples[samplenumber - 1];

				if (groupingtable[1] == null)
					sample = (sample + channel2_d[0]) * channel2_c[0];

				if (groupnumber <= 4)
					sample *= channel2_scalefactor1;
				else if (groupnumber <= 8)
					sample *= channel2_scalefactor2;
				else
					sample *= channel2_scalefactor3;
				if (channels == OutputChannels.BOTH_CHANNELS)
					filter2.input_sample(sample, subbandnumber);
				else
					filter1.input_sample(sample, subbandnumber);
			}
			return returnvalue;
		}
	}
}
